public async Task LinkToUser(LinkToUserInput input)
        {
            var loginResult = await _logInManager.LoginAsync(input.UsernameOrEmailAddress, input.Password, input.TenancyName);

            if (loginResult.Result != AbpLoginResultType.Success)
            {
                throw _abpLoginResultTypeHelper.CreateExceptionForFailedLoginAttempt(loginResult.Result, input.UsernameOrEmailAddress, input.TenancyName);
            }

            if (AbpSession.IsUser(loginResult.User))
            {
                throw new UserFriendlyException(L("YouCannotLinkToSameAccount"));
            }

            if (loginResult.User.ShouldChangePasswordOnNextLogin)
            {
                throw new UserFriendlyException(L("ChangePasswordBeforeLinkToAnAccount"));
            }

            await _userLinkManager.Link(GetCurrentUser(), loginResult.User);
        }